1436
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"
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COPYRIGHT (c) 2002 by eXept Software AG
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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1447
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"{ Package: 'stx:goodies/regression' }"
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1436
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1437
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"{ NameSpace: RegressionTests }"
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1436
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TestCase subclass:#CompressionStreamTest
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instanceVariableNames:''
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classVariableNames:''
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poolDictionaries:''
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1437
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category:'tests-Regression-Streams'
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1436
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!
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!CompressionStreamTest class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 2002 by eXept Software AG
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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!
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documentation
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"
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extracted testCases from CompressionStream
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"
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! !
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!CompressionStreamTest class methodsFor:'tests'!
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compress
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"
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self compress
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"
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|fileContents in zip out|
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fileContents := 'symbols.stc' asFilename contentsOfEntireFile.
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in := fileContents readStream.
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out := FileStream newFileNamed:'YYY.gz'.
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out ifNil:[ ^ self ].
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[
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zip := ZipStream writeOpenOn:out.
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[in atEnd] whileFalse:[ |buf|
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buf := in nextAvailable:512.
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buf do:[:n|
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zip nextPut:n
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]
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].
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] ensure:[
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zip notNil ifTrue:[ zip close ].
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out isOpen ifTrue: [ out close ].
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].
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!
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compress:fn
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"
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self compress
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"
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|fileContents in zip out|
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fileContents := fn asFilename contentsOfEntireFile.
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in := fileContents readStream.
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out := FileStream newFileNamed:'YYY.gz'.
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out ifNil:[ ^ self ].
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[
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zip := ZipStream writeOpenOn:out.
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[in atEnd] whileFalse:[ |buf|
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buf := in nextAvailable:512.
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buf do:[:n|
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zip nextPut:n
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]
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].
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] ensure:[
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zip notNil ifTrue:[ zip close ].
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out close.
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].
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!
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testUncompress
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"
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self testUncompress #(521755 686495 false) #(521755 686495 false)
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"
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|stream zipStream contents contentsOfOriginal|
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[
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stream := 'YYY.gz' asFilename readStream.
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zipStream := ZipStream readOpenOn:stream.
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contents := zipStream contents.
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] ensure:[
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zipStream notNil ifTrue:[zipStream close].
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stream notNil ifTrue:[stream close].
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].
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stream := 'symbols.stc' asFilename readStream.
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contentsOfOriginal := stream contentsOfEntireFile.
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stream close.
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^ Array with: contents size
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with: contentsOfOriginal size
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with: contents = contentsOfOriginal.
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!
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testUncompress: fn
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"
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(self testUncompress: 'symbols.stc') inspect
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"
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|stream zipStream contents contentsOfOriginal|
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self compress: fn.
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[
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stream := 'YYY.gz' asFilename readStream.
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zipStream := ZipStream readOpenOn:stream.
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contents := zipStream contents.
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] ensure:[
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zipStream notNil ifTrue:[zipStream close].
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stream notNil ifTrue:[stream close].
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].
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stream := fn asFilename readStream.
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contentsOfOriginal := stream contentsOfEntireFile.
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stream close.
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^ Array with: contents size
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with: contentsOfOriginal size
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with: contents = contentsOfOriginal.
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!
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uncompress
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"
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self uncompress
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"
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|stream zipStream contents|
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[
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stream := 'YYY.gz' asFilename readStream.
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zipStream := ZipStream readOpenOn:stream.
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contents := zipStream contents.
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] ensure:[
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zipStream notNil ifTrue:[zipStream close].
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(stream notNil and: [stream isOpen]) ifTrue:[stream close].
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].
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^ contents
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! !
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!CompressionStreamTest class methodsFor:'ttt'!
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compress:fn toFileNamed:aName
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"
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self compress:'symbols.stc' toFileNamed:'YYY'.
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"
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|sourceFile in zip out zipFile|
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sourceFile := fn asFilename.
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sourceFile exists ifFalse:[self error].
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zipFile := aName asFilename.
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zipFile := zipFile withSuffix:'gz'.
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zipFile exists ifTrue:[ zipFile remove ].
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in := sourceFile readStream.
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out := FileStream newFileNamed:zipFile.
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[
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in := sourceFile readStream.
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in binary.
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out := FileStream newFileNamed:zipFile.
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out binary.
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zip := ZipStream writeOpenOn:out.
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zip binary.
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[in atEnd] whileFalse:[ |buf|
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buf := in nextAvailable:512.
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buf do:[:n|
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zip nextPut:n
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]
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].
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] ensure:[
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zip notNil ifTrue:[ zip close ].
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in notNil ifTrue:[ in close ].
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out notNil ifTrue:[ out close ].
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].
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^ zipFile
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!
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test
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"
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self test
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"
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|zipFile srcFile oldContents newContents s|
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srcFile := 'symbols.stc' asFilename.
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zipFile := 'YYY'.
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self compress:srcFile toFileNamed:zipFile.
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newContents := self uncompressFileNamed:zipFile.
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oldContents := srcFile binaryContentsOfEntireFile asString.
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newContents := newContents asString.
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oldContents keysAndValuesDo:[:i :v|
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s := newContents at:i ifAbsent:nil.
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v = s ifFalse:[
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Transcript showCR:'#ERROR#'.
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self halt.
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^ self
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].
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Transcript show:v.
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].
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self halt.
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!
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uncompressFileNamed:aName
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"
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self uncompressFileNamed:'YYY'
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"
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|stream zipFile zipStream outStream c|
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zipFile := aName asFilename.
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zipFile := zipFile withSuffix:'gz'.
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zipFile exists ifFalse:[ self error ].
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[
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stream := zipFile readStream.
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stream binary.
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zipStream := ZipStream readOpenOn:stream.
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zipStream binary.
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outStream := #[] writeStream.
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[ (c := zipStream next) notNil ] whileTrue:[
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outStream nextPut:c
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].
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] ensure:[
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zipStream notNil ifTrue:[zipStream close].
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stream notNil ifTrue:[stream close].
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].
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^ outStream contents
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! !
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!CompressionStreamTest methodsFor:'helpers'!
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doTest01:compressionStreamClass
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"
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ZipStream test
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self test01_ZipStream
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"
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|original compressed contents in out zip|
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original := 'smalltalk.rc' asFilename contentsOfEntireFile.
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in := original readStream.
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[ |b|
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out := WriteStream on:(ByteArray new:10).
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zip := compressionStreamClass writeOpenOn:out.
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[in atEnd] whileFalse:[
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zip nextPut:in next
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]
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] ensure:[ zip notNil ifTrue:[ zip close ] ].
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compressed := out contents.
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[ |b|
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zip := compressionStreamClass readOpenOn:(compressed readStream).
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out := String writeStream.
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[ (b := zip next) notNil ] whileTrue:[ out nextPut:b ]
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] ensure:[
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zip notNil ifTrue:[ zip close ].
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contents := out contents.
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Transcript showCR:(contents size).
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Transcript showCR:(compressed size).
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].
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original = contents ifFalse:[
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self error:'contents differs'.
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^ self
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].
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Transcript showCR:'OK'.
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! !
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!CompressionStreamTest methodsFor:'tests'!
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test01_ZipStream
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"
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ZipStream test
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self test01_ZipStream
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"
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self doTest01:ZipStream
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!
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test02_ZipStream
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"
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ZipStream testFile
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"
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|fileContents in zip out gzipCmd|
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fileContents := 'smalltalk.rc' asFilename contentsOfEntireFile.
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in := fileContents readStream.
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out := FileStream newFileNamed:'YYY.gz'.
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out ifNil:[ ^ self ].
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[
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zip := ZipStream writeOpenOn:out.
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[in atEnd] whileFalse:[ |buf|
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buf := in nextAvailable:512.
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buf do:[:n|
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zip nextPut:n
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]
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].
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] ensure:[
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zip notNil ifTrue:[ zip close ].
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out close.
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].
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gzipCmd := 'gzip -dc YYY.gz > YYY; diff YYY smalltalk.rc'.
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Transcript showCR:gzipCmd.
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gzipCmd printCR.
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!
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test03_ZipStream_testUnixAgainstClass
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"
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CompressionStream doTestUnixAgainstClass
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"
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|stream time file zipCont cmdCont|
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file := '/boot/vmlinuz' asFilename.
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file isReadable ifFalse:[^ self error:'not existant'].
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time := Time millisecondsToRun:[ |zipStream|
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zipStream := stream := zipCont := nil.
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[
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stream := file readStream.
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zipStream := BZip2Stream readOpenOn:stream.
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zipCont := zipStream contents.
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] ensure:[
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zipStream notNil ifTrue:[zipStream close].
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stream notNil ifTrue:[stream close].
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].
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].
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Transcript showCR:('STX Time : %1 Size: %2' bindWith:time with:(zipCont size)).
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time := Time millisecondsToRun:[ |command|
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cmdCont := stream := nil.
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[
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command := 'gunzip < ' , file pathName.
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stream := PipeStream readingFrom:command.
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cmdCont := stream contentsOfEntireFile.
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] ensure:[
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stream notNil ifTrue:[stream close].
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]
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].
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Transcript showCR:('UNIX Time : %1 Size: %2' bindWith:time with:(cmdCont size)).
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cmdCont = zipCont ifTrue:[ Transcript showCR:'OK' ]
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ifFalse:[ self error:'contents differs' ].
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!
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test04_ZipStream_NextN
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"
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CompressionStream doTestNextN
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"
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|stream time file zipCont nxtCont|
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file := '/boot/vmlinuz' asFilename.
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file isReadable ifFalse:[^ self error:'not existant'].
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time := Time millisecondsToRun:[ |zipStream|
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zipStream := stream := zipCont := nil.
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[
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stream := file readStream.
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zipStream := BZip2Stream readOpenOn:stream.
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zipCont := zipStream contents.
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] ensure:[
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zipStream notNil ifTrue:[zipStream close].
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stream notNil ifTrue:[stream close].
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].
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].
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Transcript showCR:('STX Time : %1 Size: %2' bindWith:time with:(zipCont size)).
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time := Time millisecondsToRun:[ |zipStream wstream|
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zipStream := stream := nxtCont := nil.
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[
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stream := file readStream.
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wstream := String writeStream.
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zipStream := BZip2Stream readOpenOn:stream.
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[zipStream atEnd] whileFalse:[
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wstream nextPutAll:(zipStream next:117)
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].
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nxtCont := wstream contents.
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] ensure:[
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zipStream notNil ifTrue:[zipStream close].
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stream notNil ifTrue:[stream close].
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].
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].
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Transcript showCR:('NEXT Time : %1 Size: %2' bindWith:time with:(nxtCont size)).
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nxtCont = zipCont ifTrue:[ Transcript showCR:'OK' ]
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ifFalse:[ self error:'contents differs' ].
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!
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test04_ZipStream_SkipN
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"
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CompressionStream doTestSkipN
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"
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|stream time file skpCont nxtCont skip|
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file := '/boot/vmlinuz' asFilename.
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file isReadable ifFalse:[^ self error:'not existant'].
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skip := 6885379.
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time := Time millisecondsToRun:[ |zipStream wstream|
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zipStream := stream := nxtCont := nil.
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[
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stream := file readStream.
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wstream := String writeStream.
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zipStream := BZip2Stream readOpenOn:stream.
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skip timesRepeat:[ zipStream next ].
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[zipStream atEnd] whileFalse:[
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wstream nextPutAll:(zipStream next:117)
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].
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nxtCont := wstream contents.
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] ensure:[
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zipStream notNil ifTrue:[zipStream close].
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stream notNil ifTrue:[stream close].
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].
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].
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Transcript showCR:('STX Time : %1 Size: %2' bindWith:time with:(nxtCont size)).
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time := Time millisecondsToRun:[ |zipStream wstream|
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zipStream := stream := skpCont := nil.
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[
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stream := file readStream.
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wstream := '' writeStream.
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462 |
zipStream := BZip2Stream readOpenOn:stream.
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zipStream skip:skip.
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464 |
[zipStream atEnd] whileFalse:[
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wstream nextPutAll:(zipStream next:117)
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].
|
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467 |
skpCont := wstream contents.
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468 |
] ensure:[
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469 |
zipStream notNil ifTrue:[zipStream close].
|
|
470 |
stream notNil ifTrue:[stream close].
|
|
471 |
].
|
|
472 |
].
|
|
473 |
Transcript showCR:('NEXT Time : %1 Size: %2' bindWith:time with:(skpCont size)).
|
|
474 |
|
|
475 |
nxtCont = skpCont ifTrue:[ Transcript showCR:'OK' ]
|
|
476 |
ifFalse:[ self error:'contents differs' ].
|
|
477 |
! !
|
|
478 |
|
|
479 |
!CompressionStreamTest class methodsFor:'documentation'!
|
|
480 |
|
|
481 |
version
|
|
482 |
^ '$Header$'
|
|
483 |
!
|
|
484 |
|
|
485 |
version_CVS
|
|
486 |
^ '$Header$'
|
|
487 |
! !
|
|
488 |
|